CVE-2021-20122

The Telus Wi-Fi Hub (PRV65B444A-S-TS) with firmware version 3.00.20 is affected by an authenticated command injection vulnerability in multiple parameters passed to tr69_cmd.cgi. A remote attacker connected to the router's LAN and authenticated with a super user account, or using a bypass authentication vulnerability like CVE-2021-20090 could leverage this issue to run commands or gain a shell as root on the target device.

CVSS v3.1

7.2 HIGHCVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H

CVSS v2.0

9.0 HIGHAV:N/AC:L/Au:S/C:C/I:C/A:C

EPSS

6.53% chance of exploitation in the next 30 days, 93th percentile

Published

2021-10-11

Updated

2024-08-03

Proof-of-concept exploits (1)

• https://www.tenable.com/security/research/tra-2021-41

References

• CVE Record
• NVD entry

Related

• CVE-2021-20121
• CVE-2021-20123
• CVE-2021-20120
• CVE-2021-20124
• CVE-2021-20114
• CVE-2021-20125